- A park ranger will lead a planetarium program about the season’s brightest stars, planets and constellations (for ages 5 and older). 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
- Children will hear a story about Roger Shimomura and then create a special piece of art. 1 to 4 p.m. Free. National Portrait Gallery, 8th and F streets NW. 202-633-1000. The program will repeat Sunday from 2 to 5 p.m.
- The House of Sweden will host a weekly storytime for children and families to experience Swedish children’s literature. 2 p.m. Free. House of Sweden, 2900 K St. NW. www.swedenabroad.com/washington.
- A park ranger will lead a planetarium program about the solar system, the Milky Way and other deep space objects (for ages 7 and older). 4 to 4:45 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070. The program will repeat Sunday at 4 p.m.
Classes and workshops
- The Mount Pleasant Library will present “Saturday Morning Yoga.” 10 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- The Kennedy Center will host an all-levels outdoor vinyasa yoga class led by Chris Duling. 10:15 a.m. Free; reservations suggested. Roof Terrace, Kennedy Center. kennedy-center.org.
- Yoga Activist will present a class for beginners. 11 a.m. Free. Petworth Library, 4200 Kansas Ave. NW. 202-243-1188.
- A class on “Video Basics” will focus on how to gather footage with a complete video project in mind. 1 p.m. Free; reservations required. Juanita E. Thornton/Shepherd Park Library, 7420 Georgia Ave. NW. dclibrary.org/node/56955.
- The DC Anime Club will host an “Animation 101” workshop on how to create animated characters and bring them to life through animation (for ages 13 and older). 2 to 5 p.m. Free; reservations required. Tenley-Friendship Library, 4450 Wisconsin Ave. NW. 202-262-2083.
- Daryl Davis, a former Chuck Berry bandmate, will honor the late guitarist, singer, songwriter and rock pioneer. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- The Petworth Jazz Project will present a children’s show by Baba Ras D, at 6 p.m.; and a jazz concert by the Bohemian Caverns Jazz Orchestra, from 7 to 9 p.m. Lawn, Petworth Recreation Center, 8th and Taylor streets NW. facebook.com/PetworthJazzProject.
- Jazz@Wesley will present vocalist Tiya Adé, pianist Alex Jenkins, bassist Emory Diggs, drummer Percy Smith and saxophonist Ben Sands. 6:30 to 8:30 p.m. $5 to $10; free for ages 12 and younger. Wesley United Methodist Church, 5312 Connecticut Ave. NW. wesleydc.org.
Discussions and lectures
- Academic librarian Jesse Lambertson will lead a roundtable discussion on “Privacy Tools in Action,” about various technologies built for devices of all sorts that are available to buttress digital privacy. Attendees are invited to bring laptops, tablets, smartphones and other devices to access the library’s Wi-Fi to use the privacy tools. 11:30 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- Jamie Stiehm, a Creators Syndicate columnist and contributor to usnews.com, will discuss “John Fitzgerald Kennedy, Who Never Combed Gray Hair, Has His 100th Birthday,” about Kennedy’s common touch despite hailing from the elite. 1 p.m. Free. Peabody Room, Georgetown Library, 3260 R St. NW. 202-727-0233.
Festivals and family programs
- Miller Jeanne Minor and the Friends of Peirce Mill will host “Run of the Mill,” a chance to see Washington’s only surviving gristmill in action. 11 a.m. to 2 p.m. Free. Peirce Mill, Tilden Street and Beach Drive NW. 202-895-6070.
- “Kennedy Center Open House: Celebrating JFK at 100” will feature dozens of performances and activities for the entire family, including an interactive hip-hop show, an outdoor skatepark and music stage, and jam sessions with the D.C. Bluegrass Union and Archie Edwards Blues Foundation. Noon to 10 p.m. Free. Various venues throughout the Kennedy Center. kennedycenter.org.
- The Mount Pleasant Library will present the 2017 film “Split,” about three girls kidnapped by a man diagnosed with 23 distinct personalities. 2 p.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- “Reinventing Realism — New Cinema From Romania” will feature Andrei Cohn’s 2015 film “Back Home,” at 2 p.m.; and Ruxandra Zenide’s 2016 film “The Miracle of Tekir,” at 4 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- The Washington Ballet will present “Tudor, Ashton, World Premiere,” featuring the debut of artistic director Julie Kent’s commissioned work with choreography by Ethan Stiefel — “Frontier,” inspired by President John F. Kennedy and his aspirations for America to be a leader of artistic, cultural and intellectual excellence. The program will also include Antony Tudor’s “Lilac Garden” and Sir Frederick Ashton’s “The Dream.” 1:30 and 7:30 p.m. $25 to $140. Opera House, Kennedy Center. 202-467-4600.
- Levine Music’s pre-professional program Act Two will present “All Shook Up,” inspired by and featuring the songs of Elvis Presley. 2 and 7:30 p.m. $25. Arena Stage, 1101 6th St. SW. levinemusic.org. The performance will repeat Sunday at 2 p.m.
- Washington Improv Theater will present “Road Show.” 7:30 p.m. $12 to $15. DC Arts Center, 2438 18th St. NW. 202-462-7833.
- The Washington Valor, the area’s new Arena Football League franchise, will play the Philadelphia Soul. 1 p.m. $21 to $275. Verizon Center, 601 F St. NW. 800-745-3000.
- The Washington Nationals will play the San Diego Padres. 4:05 p.m. $12 to $370. Nationals Park, 1500 South Capitol St. SE. 888-632-6287. The series will continue Sunday at 1:35 p.m.
Tours and walks
- Washington Walks’ “Get Local!” series will explore the Foggy Bottom neighborhood. 11 a.m. $15 to $20. Meet outside the Foggy Bottom Metro station by the bust of George Washington. washingtonwalks.com.
- A slide show and outdoor tour will focus on the Washington National Cathedral’s whimsical stone gargoyles and grotesques (for ages 10 and older). 2 p.m. $18 to $22; reservations suggested. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. cathedral.org.